'\"macro stdmacro
.\"
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.TH PMLOCK 1 "PCP" "Performance Co-Pilot"
.SH NAME
\f3pmlock\f1 \- simple file-based mutex
.SH SYNOPSIS
.B $PCP_BINADM_DIR/pmlock
[\fB\-v\fR]
.I file
.SH DESCRIPTION
.B pmlock
attempts to acquire an exclusive lock by creating
.I file
with a mode of 0.
.PP
The exit status is 0 for success, 1 for failure.
.PP
To release the lock, unlink
.IR file .
.PP
In the event of a failure, the
.B \-v
option produces an explanatory message on
.IR stdout .
